"The challenge of quantum mechanics is not in its complexity, but in its simplicity—it forces us to rethink our most basic assumptions about the universe."

"The advantage of poetry over life is that poetry, if it is sharp enough, may last."

The whole problem with the world is that fools and fanatics are always so certain of themselves， and wiser people so full of doubts.

The only way to do great work is to love what you do.